Answer this question truthfully
### Question: Who is at highest risk for Otitis externa ?
### Response: Swimmers and scuba divers. People living in humid, tropical climates. People with allergies or inflammation -based skin conditions, such as eczema or psoriasis. People who use ear plugs or other in-ear devices consistently. People who have experienced a traumatic physical injury to the ear, such as a blunt impact. People with narrow ear canals. For malignant otitis externa, people with diabetes mellitus or undergoing chemotherapy due to weakened immune system. Elderly women between 65 and 74 years old.